In article <4c782d26.6040...@wxs.nl>, Hans Hagen <pra...@wxs.nl> wrote:

> On 27-8-2010 8:17, Nicola wrote:
> > In article
> > <aanlktimbrxn-yhfa9bqyrejmcfuyehqxr-+ix6ne5...@mail.gmail.com>,
> >   Mojca Miklavec<mojca.miklavec.li...@gmail.com>  wrote:
> >
> >> TEXMFCACHE is not used by MKII (neither in pdfTeX nor in XeTeX).
> >
> > Right. I have tried
> >
> > unset TEXMFCACHE
> > texexec hello.tex
> >
> > in the command line and it just runs texexec (as expected).

Sorry, my mistake. If I unset TEXMFCACHE, then mtxrun is run also from 
the command line and the behaviour is consistent with what happens from 
TeXShop - which, in turn, is consistent with what Hans explains below.

> we used to have texmfstart as script runner (all scripts are located and 
> started by a runner which is faster than using some kpse locator esp 
> when having nested runs as with metafun in mkii)
> 
> so, texexec used to be
> 
>    texmfstart texexec
> 
> however, nowadays mtxrun is the runner and it replaces texmfstart for 
> mkii as well and in order to do this, it needs the file database and 
> that one ends up in the cache so even for mkii there is a cache needed 
> (when I'm in the mood I'll check the lua texutil variant in which case 
> we can also kick out ruby which is currently only needed for mkii)
> 
> Hans

Everything is clear now. Thank you!

Nicola

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